Loom for the manufacture of coir mats.



No. 730,339. l PATBNTED JUNE 9,1903.` Y 0. BUL'LOGK W; E; IFORTY.'

LOOM FOR IHB MANUFAGTU'RE OFGOIB. MATS.

ABPL'IOATIOH FILED HAB; 24, 190,2.

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No. 733,333. PATBNTED .mm 3. 1303.

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LooM'PoP. THE MANUPAGTURB 0F com MATS.

APPLIGATION FILED HAR. g4, 1902.,

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A FATENTED' JUNE-9, 1903. o. BULLUGK & w. H. FORTY.

LOOM POR THE MANUPAGTURE 0F com MATS'.

' APPLICATION PILEDMAE. 241902.

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No. 730,339. v PATENTED JUN 9.1903. O. BULLOGK & W. H. FRTY. LOOM FOR THE MANUFAGTUR 0F GOIR MATS.

Armoyi'lon FILED MAB. 24, 1902.

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No. 730,339. 3 PATENTED JUNE 3531933.`

,y o. BULLOGK 33 w. H. FORTY. 300M POR THE MANUPAGTURB 012.0013 MATS.

APPLIUTIOF EILED IR. B4, 1902.

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UNITED 'STATES PATENT Patented une 9, 1903.

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OWEN BULLooK, or nnMEL'I-IEMPSTEAD, ANDWILLIAM HENRY Fon'rY, or

BOXMOOR, ENGLAND, .ASSIGNORSk T BULLOGK, FORT OF HEMEL HEMPSTEAD, ENGLAND.

Y da CO., LIMITED,

LOOM FORTI-is- MANUFACTURE oFcolR MATS.

srncirmarion farming 'part of Letters raten: No. 730,339, dated June 9, 190s.

Application filed March 24, 1902.

To all whom t may concern.-

Be it known that we,OWEN BULLOCK, residing at Marlows, Hemel Hempstead, and WIL- LIAM HENRY FORTY, residing atthe Woodlands, BoXmoor, in the'county of Hertford, England, engineers, subjects of the King of Great Britain, have vinvented certain new and useful Improvements in Looms for the Manufacture of Coir Mats and the'Like, of

io which the following is a specification.

This invention has for its object improvements in Ylooms for the manufacture of coir mats and the like.

The improvements relate to looms in which to face, as described in the specification of a former patent granted to us, No. 549,182, on November 5, 1895. In such looms there is difficulty in avoiding the formation of projecting 2o loops of weft along the edges of each ground fabric, vas the weft when beaten up is brought against the pile-warps at some distance from the fell of the fabric and after being brought against these warps cannot be ltightened up, owing to the rough nature of the yarn used. Consequently the portion of weft between where it passes from the fabric tothe point where it comes against the first or outermost pile-warp forms aloop on one edge of the 3o fabric at each beat-up. To remedy this and to insure that the pile-warps shall be tightly bent over the edges of the flat bars which, as described in the above-mentioned specilication, are inserted into the space between the two sets of ground-warps to keep the two grounds at the proper distance apart, we provide two rows of hooks or instruments,-one above and the other below the fabric that is being woven, and these each time that the 4o pile-warps are crossed are made to move backward and pass between the pile-warps and then to lay hold of these warps, so that whenV they again move forward to or slightly beyond the fell of, the fabric the pile-warps are bentand thosev portions ,of them which are between'the bottom ground and the upper set of hooks and the upper ground and lower set of hooks are brought into av position' at right angles to these grounds, so that 5o when fiat bars used for the purpose above seen No. 99.756. (No man.)

mentioned have been inserted in the space between the two shedsof ground-warp and the wefts inserted in these sheds have been beaten up the wefts do not come against any portion of the pile warps until they are brought to the fell of the fabric. Thus the formation of projecting loops of weft along the edges of the fabric is prevented. Then the weft has beenv beaten up, the warps are again crossed, the hooks or instruments release their hold of the pile-warps, and then the pile-warps are doubled over the edges of the flat bars, and this bend is made verysharp when the pile-warps passing from the two grounds are again taken by the hooks and drawn into positions at right angles to the grounds.- The two sets of hooks may be mounted on a sliding carriage, moved backward and forward by a cam on a cam-shaft. The acting edges ofthe hooks or instruments may be at right angles to the stems. When the carriage is moved backward to pass these ends through the pile-warps, the ends are held in a vertical plane, and when they have been passed between the warps'a partial turn is given to all, so that when the carriage is again drawn forward the hooked ends come against the warps and draw them forward along with them. This turning movement may be given to the stems of the bars by teeth upon them engaging with teeth on rack-bars, which are moved endwise to and fro at the proper times. The mechanism for giving motion to these bars is so arranged that the bars may be moved endwise whether the sliding carriage be in its forward or backward position or in any intermediate position, or in place of using hooks, which have a turning movement given to them, blades may be employed, eachblade having a hole through its end, and when the 9o blades have been passed between the pilewarps a rod may be passed through the holes from one side of the loom, or two rods of halflength might be used to beinser'ted into the holes from the two opposite sides of the loom, and the pile-warps will become bent over these rods in the same way when the rods are Vcarried back; by the blades to the fell of the fabric. The dat bars, which are inserted into the shed to keep the two ground fabrics alloo -and fro in planes close to the fell of the fabric.

Our improvements are shown in the drawings annexed.

Figure lis a plan view of so much of a loom having our improvements applied to it as is necessary for enabling the improvements to be fully understood. Fig. 2 is a side elevation of the same. Fig. 3 is a portion of Fig. l on a larger scale. Fig. 4 is a longitudinal section ot' the front portion of the loom on the same larger scale. Fig. 4a is a detail view showing part ofthe mechanism illustrated in Fig. 4. Fig. 4l shows a section on the line 4 4 of Fig. 4i. Fig. 5 is a similar view of some of the parts shown in Fig. 4, but showing the hooks drawing the pile-warps forward to hold them closely against fiat bars. Figs. 6 and 7 are plan views ot' a portion of one of the hookbars and some of the hooks carried byit, t'ne hooks being shown in their t-wo positions in lthe two figures. Fig. 7a shows a section on the line a ct of Fig. 7. Fig. 7b shows a section on the line b of Fig. 7. Figs. 8 and 9 show a modification, in which fixed blades are used instead of turning hooks and a rod passed across through holes in the blades.

In the drawings, A is a cam-shaft revolved continuously by gearing from the shaft A', driven from the driving-shaft A2. On shaft A2 are cams, a pair of cams B for running backward and forward the carriage upon which the two sets ot hooks are mounted, another cam C for giving a quarter-turn to the hooks, and another cam D for inserting into and withdrawing from the shed the fiat bars which serve to keep the two ground fabrics always at the same distance apart. E is another shaft also receiving a continuous revolving movement from the shaft A'. From the ends of the shaft E motion is given to the shuttle-passing mechanism at each side of the loom.

The mechanism for crossing the groundwarps of each ground fabric and for crossing the pile-warps may be arranged in any ordinary way. Only the heddles F of this mechanism are shown.

G is the carriage upon which the two Sets of hooks H are mounted. It can be slid backward and forward along guides forming part ot' the framing of the loom. To it are coupled the upper ends of levers G, which at their lower ends rock upon pivots G2.

G2 represents trucks carried by their levers and acted upon by the grooves in t-he cams B.

The stems of the hooks H in Aeach set of hooks are received in bearings in a bar H', fixed to the carriage. One of these bars is secured to the carriage above the fabric that is being woven and the other below it.

I I are bars parallel with the bars I-I and capable of being moved endwise to and fro. Each bar has upon it rack-teeth gearing with teeth on the stems of the hooks, so that when the bar is moved endwise a partial turn is given to all the hooks. Preferably, as shown in Figs. 3, 6, and 7, we provide the bars I with two rows of rack-teeth to engage with different teeth projecting from the hookstems. In this Way the stem of each hook ne'ed only have two teeth projecting from it, as shown in dotted lines in Figs. 3, 6, and 7, and these teeth can be made of any strength desired.

The bars I receive their to-and-fro endway movement in the following manner: Each bar has coupled to it one end of a link I. (See Figs. l and 3.) The other end of this link is coupled to an arm I2, projecting from a vertical axis I3. Another arm I4 on the lower end of this axis has a swiveling peg I5, projecting downward from it. A vertical slot is formed across the lower end of this peg. Through this slot passes a rod IG, which is of somewhat greater length than the length of to-and-fro travel given to the carriage G. This rod at its ends is fast with two disks 17, fixed upon a spindle IS. Another rod I9 (shown partly broken away in Fig. 4) extends across from one disk to the other. Alink I10 extends downward from this rod to a lever I, which at one end rocks on a pivot 112 and at the other carries a truck 113, which enters the cam-groove C. In this way a rocking movement is given to the spindle I8, and this gives a rocking movement to the vertical axis I2, whereby a to-and-fro endway movement is given to the rack-bars I and the hooks H, all simultaneously turned from one position to another. In Fig. 6 they are shown turned into position to allow of their being passed through the pilewarps, and in Fig. 7 they are shown turned into position to pass behind the pile-warps, so that the pile-warps may be drawn forward by them. The same result might be obtained Aby using instead of the hooks a series of blades J, each having a hole formed through it near its end, as shown in Fig. 8, and when the blades have been carried forward between the pile-warps passing a rod K through the holes in the several blades, as illustrated in Fig. 9. We, however, prefer the arrangement above described.

L L are the two flat blades which are inserted into the shed to keep the two ground fabrics always at the same distance apart. Each blade is capable of sliding endwise to and fro through fixed guides L', one at each side of the loom. Each blade is coupled by a link to the upper end of a vertical arm L2, free to rock upon a pivot L3 at its lower end. Each lever has also jointed to it midway of its length one end ot' a bar L4, which at its opposite end can slide endwise through fixed horizontal guides L5. Rack-teeth are formed on this end of the bar, and the rack-teeth of both bars are made to gear with a pinion L6, one with one side of this pinion and the other with the opposite side. The axis of the pinion turns in a xed bearing and has upon its lower end a pinion L7. A toothed rack LS, which can be slid endwise to and fro, gears IOO IIO

IIS

truck L, mounted upon it, entering the cam-Y grooveof the cam-D.

The shuttle mechanism is included in another application for patent filed by us on July 28, 1902, Serial No. 117,379.

The action of the mechanism is as follows: After the hatten has beaten up and as it retires the flat blades L are moved end wise into the space between the two sets of groundwarps used for forming the two'ground fabrics. The pile-warps are then crossed, the carriage G moves back, passing the hooks H between the pile-warps, the upper set of hooks being passed between the pile-warps, which have been raised up from the lower ground fabric, and the lower hooks through the pilewarps, which have been lowered from the upper ground fabric. A-quarter-turn is then given to all the hooks and the carriage G drawn back, so that the hooks are brought to or a little past the fell of the fabric, so that the pile-warps held by the Ihooks are bent sharply over the top and bottom edges ofthe blades L. The ground-warp sheds are then opened, the blades L are withdrawn, and the shuttles passed through the ground-warp sheds. The carriage G during this time has been again run back and the hooks H turned to release the pile-warps, and when the shuttles have been passed through the groundwarp sheds the batten is caused to beat up. It may either make a single beat or two beats in succession, if desired, and these operations are-repeated continuously.

X isa cutting-knife reciprocating to and fro in any ordinary manner for severing the pile. v

The parts of the drawings which are marked with letters of reference M to S are parts for giving a to-and-fro motion to the shuttle and' correspond with similarlymarked parts in another 'application for patent, Serial No. 117,379, filed by us, in 'which their action is fully explained.

What we claim isl. The combination of the flat blades,means for inserting these blades into and .withdrawing them from the space between the two sets of ground-warps justin rear of the fell of the fabric, means for alternately raising one half of the pile-warps and lowering the-other, two sets of instruments for taking hold of the pile-warps after they have been crossed, one set being above and the other below the level of the fabric that is being woven, means for moving back these instruments to lay holdof the pile-warps and for then drawing them forward to cause thepile-warps to be bent over the edges of the blades and to lie closely against their back face.

2. The combination of the dat blades,means for inserting these blades into and withdrawing them fromV the space 4 between the two sets of ground-warps justin rear of the fell of the'fabric, means for alternately raising one half of the pile-warps and-lowering the other, the two sets of hooks, the carriage upon which they are mounted, means f or giving a backward-and-forward movement to this carriage, meansifor giving a partial turnY toall the hooks after the carriage has been run back to cause the ends of the hooks to come in rear of the pile-warps.

3. The combination of the batten, the flat blades, means for inserting these-blades into the space between the two sets'of groundwarps just in rear of the fell of the fabric, means for crossing-the pile-warps when the blades have been inserted, two sets of instruments for taking holdof the pile-warps after they have been crossed, one set being above and the other below the level of the fabric that is being woven, means for then drawing forward these instruments to cause the pilewarps to be bent over the edges of the blades and to lie closely against their back faces, and means for afterward withdrawing the blades, for crossing the ground-warps in each set of ground warps and for passing shuttles through the two sheds so opened.

4. The combination of the hatten, the'iat blades, means for inserting these blades into the space between the two sets of groundwarps just in rear of the fell of the fabric, means for crossing the pile-warpswhen the blades have been inserted, the twov sets of IOC) hooks, the carriage upon which theyare g mounted, meansfor movingback the carriage after the pile-warps have been crossed to pass the hooks between the pile-warps, means for then giving a partial turn to allthe hooksto bring their ends in rear of these warps, means .for then moving forward the carriage to draw back the pile-warps and cause them tobe bent over the edges of the blades and to lie closely against their back face, and means for after- IIO ward withdrawing the blades for crossing the ground warps and for passing shuttles through the two sheds.

5. The combination ofthe sliding carriage G, the two sets of hooks H carried by-it, the

lever-arms G to which the carriage is coupled` Vthe trucks G3 on these arms, the cams B on the revolving axis A acting onthese trucks, the sliding bars I, the rack-teeth on these bars gearing into teeth on the stems of the hooks, the arms I2 to which the vbars I are coupled, the vertical aXisIs to which the arms are xed,

IIS

the arm I4. also fixedy on this axis, the pegl5 at` the end of this arm, the rod 1 acting on this peg, the disks I7 to which the ends of the rod are fixed, the linlr'l10 extending down-1.`

length, rack-teeth on these bars, the pinion L6 with which the rack-teeth gear, -the teeth on one hal1 gearing with one side of the pinion and the teeth on the other with the opposite side of the pinion, the pinion L7 fast With the axis of the pinion L, the toothed rack LS gearing with the pinion L7, the arm L9 to which L8 is coupled and the truck L11 acted on by the cam D.

OWEN BULLOCK. WILLIAM HENRY FORTY. Witnesses: WILFRED CARPMAEL, JOHN H. WHITEHEAD. 

